Given Delta ABC With AB = AC. Use Deductive Reasoning To Complete The Following Sentence. If < B = 40 Degree, Then

Question

a) < C = 100 Degree
b) c=80
c)a=100
d)a=80
e) 40

Answer 1

I got c 100

Answer 2

then angle a is 100

Answer 3

yes
180 - 2*40 = 100